American Hydro Rust Stain Remover

Rid O™ Rust Liquid Rust Stain Remover. Liquid Irrigation Rust Stain Remover and Calcium Cleaner. Rid O™ Rust Liquid Rust Stain Remover is safe for use on concrete, vinyl, asphalt, brick, stone, wood, virtually any exterior surface. Safe for plants when used as directed. Simply spray using a trigger or pump sprayer, watch the stain disappear and rinse completely (do not allow product to dry in place). No scrubbing required! No power washing! It's that easy.